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a19b897d | 1 | // Copyright Jerome Benoit. 2021-2024. All Rights Reserved. |
c27c3eee | 2 | |
66a7748d JB |
3 | import { closeSync, existsSync, mkdirSync, openSync, writeSync } from 'node:fs' |
4 | import { dirname } from 'node:path' | |
8114d10e | 5 | |
66a7748d JB |
6 | import { Storage } from './Storage.js' |
7 | import { BaseError } from '../../exception/index.js' | |
8 | import { FileType, type Statistics } from '../../types/index.js' | |
9bf0ef23 JB |
9 | import { |
10 | AsyncLock, | |
11 | AsyncLockType, | |
9bf0ef23 | 12 | JSONStringifyWithMapSupport, |
66a7748d JB |
13 | handleFileException |
14 | } from '../../utils/index.js' | |
72f041bd | 15 | |
100a5301 | 16 | export class JsonFileStorage extends Storage { |
66a7748d | 17 | private fd?: number |
2a370053 | 18 | |
66a7748d JB |
19 | constructor (storageUri: string, logPrefix: string) { |
20 | super(storageUri, logPrefix) | |
21 | this.dbName = this.storageUri.pathname | |
72f041bd JB |
22 | } |
23 | ||
66a7748d | 24 | public storePerformanceStatistics (performanceStatistics: Statistics): void { |
a66bbcfe | 25 | this.setPerformanceStatistics(performanceStatistics) |
66a7748d | 26 | this.checkPerformanceRecordsFile() |
0ebf7c2e | 27 | AsyncLock.runExclusive(AsyncLockType.performance, () => { |
0ebf7c2e | 28 | writeSync( |
66a7748d | 29 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
0ebf7c2e | 30 | this.fd!, |
a66bbcfe | 31 | JSONStringifyWithMapSupport([...this.getPerformanceStatistics()], 2), |
0ebf7c2e | 32 | 0, |
66a7748d JB |
33 | 'utf8' |
34 | ) | |
a974c8e4 | 35 | }).catch(error => { |
0ebf7c2e JB |
36 | handleFileException( |
37 | this.dbName, | |
38 | FileType.PerformanceRecords, | |
39 | error as NodeJS.ErrnoException, | |
66a7748d JB |
40 | this.logPrefix |
41 | ) | |
42 | }) | |
72f041bd | 43 | } |
b652b0c3 | 44 | |
66a7748d | 45 | public open (): void { |
b652b0c3 | 46 | try { |
5199f9fd | 47 | if (this.fd == null) { |
d972af76 | 48 | if (!existsSync(dirname(this.dbName))) { |
66a7748d | 49 | mkdirSync(dirname(this.dbName), { recursive: true }) |
f682b2dc | 50 | } |
66a7748d | 51 | this.fd = openSync(this.dbName, 'w') |
a6ceb16a | 52 | } |
b652b0c3 | 53 | } catch (error) { |
fa5995d6 | 54 | handleFileException( |
e7aeea18 | 55 | this.dbName, |
7164966d JB |
56 | FileType.PerformanceRecords, |
57 | error as NodeJS.ErrnoException, | |
66a7748d JB |
58 | this.logPrefix |
59 | ) | |
2a370053 JB |
60 | } |
61 | } | |
62 | ||
66a7748d | 63 | public close (): void { |
a66bbcfe | 64 | this.clearPerformanceStatistics() |
2a370053 | 65 | try { |
5199f9fd | 66 | if (this.fd != null) { |
66a7748d | 67 | closeSync(this.fd) |
5199f9fd | 68 | delete this.fd |
2a370053 JB |
69 | } |
70 | } catch (error) { | |
fa5995d6 | 71 | handleFileException( |
e7aeea18 | 72 | this.dbName, |
7164966d JB |
73 | FileType.PerformanceRecords, |
74 | error as NodeJS.ErrnoException, | |
66a7748d JB |
75 | this.logPrefix |
76 | ) | |
2a370053 JB |
77 | } |
78 | } | |
79 | ||
66a7748d | 80 | private checkPerformanceRecordsFile (): void { |
5199f9fd | 81 | if (this.fd == null) { |
7b5dbe91 | 82 | throw new BaseError( |
66a7748d JB |
83 | `${this.logPrefix} Performance records '${this.dbName}' file descriptor not found` |
84 | ) | |
b652b0c3 JB |
85 | } |
86 | } | |
72f041bd | 87 | } |